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Old 09-12-2003, 12:11 PM
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Electronic Transmission trouble

Recently I have started adding horsepower to my truck. Alot. Anyway I opted to purchase Edelbrock's Pro-Flo EFI unit #3507. This kit comes with a new computer, calibration module, the whole nine yards. But I have one problem.

I have a '94 Full Size Chevy w/ 4wd (4L60E). And the wiring harness that comes with the EFI unit is a stand alone unit. Meaning no connections to the transmission. Now I would like to keep the transmission if at all possible (money problems). Does anyone know of a way to make this set up work correctly?

I have been referred to CompuShift who makes a stand alone shift kit for the transmission, but it retails for about $1,200!! Again, I would like to keep this as cheap as possible.



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Old 09-12-2003, 06:14 PM
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4l60 e trouble

might be cheaper to go with 700 r4, tps volts needed to be read for pcm to see throttle angle,(shift points and line pressure )along with other input signals have you tried to contact your company that you purchased kit from?

Last edited by airworld2; 09-12-2003 at 06:25 PM.
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Old 09-12-2003, 07:36 PM
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Cool ditto

all of the input from sensors are linked on these vehicles.

A friend asked me about his 97 GM truck's erratic shifting. I asked "Is the speed-O working OK?"

"Not all of the time"...... was the answer.

I told him to put a VSS on the truck, then see it it shifted correctly. it shifts good now

Even the OEM stereo is part of the main data stream in the late model vehicles.... not part of the power train controls, but the system looks to see if the stereo is there.
Dont worry how old you are... it is the mileage on your body that adds up.
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Old 09-13-2003, 07:50 AM
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Yes I have contacted Edelbrock and all they refer me to is Compushift.

So both of you think a 700r4 is the best way to go.

I appreciate your time you've given, and I'll definatley check into that.
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